Encyclopaedia Britannica - volume 4  

 - Chicago :  The auother ;  1973 
 - 979 p :  ill ;  28 cm 
<br/><br/><label>ISBN: </label>0-85229-173-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General Encyclopaedic works
<br/><br/><label>Dewey Class. No.: </label>030